--- version: rssac002v3 service: i.root-servers.net start-period: '2017-09-21T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6402434147 dns-udp-queries-received-ipv6: 618753144 dns-tcp-queries-received-ipv4: 118085004 dns-tcp-queries-received-ipv6: 11203451 dns-udp-responses-sent-ipv4: 6372950260 dns-udp-responses-sent-ipv6: 615240966 dns-tcp-responses-sent-ipv4: 117148022 dns-tcp-responses-sent-ipv6: 11240480